Thermalright XP90C vs. Cooler Master Hyper 48

Cooling Processors quietly

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mckennaiii
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Thermalright XP90C vs. Cooler Master Hyper 48

Post by mckennaiii » Sun Apr 30, 2006 5:38 pm

Any thoughts will be appreciated in regards to cooling a P4 3.0 Socket 478.

JimX
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Post by JimX » Sun Apr 30, 2006 11:20 pm

The Thermalright is probably the better choice. If this is for a Northwood CPU, the aluminum XP90 will be more than enough. Motherboard?

mckennaiii
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Post by mckennaiii » Mon May 01, 2006 1:29 am

Intel D875PBZ
Abit IC7-G Man II Advance

JimX
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Post by JimX » Mon May 01, 2006 2:42 am

Two motherboards? On the Abit board, the horizontal orientation of the HS base could allow interesting ducting solutions!

jaganath
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Post by jaganath » Mon May 01, 2006 3:41 am

Something to bear in mind with both of those heatsinks is that they are very heavy (XP90C ~700g, Hyper 48 >800g). I have the Hyper 48 and I wouldn't recommend it to anyone. There is really no cooling advantage from having an all-copper heatsink, because of the added risk of the weight of the coolers. Aluminium will do the job just as well and with no risk of warping your motherboard.

mckennaiii
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Post by mckennaiii » Mon May 01, 2006 4:27 am

would the thermalright SI-120 with a 120mm fan be a better choice?

mckennaiii
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Post by mckennaiii » Mon May 01, 2006 4:30 am

or the zalman 9500.

JimX
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Post by JimX » Mon May 01, 2006 4:32 am

The SI-120 will be the best choice for a Prescott core. The XP90 for a Northwood core. The Zalman is too noisy.

mckennaiii
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Post by mckennaiii » Mon May 01, 2006 5:22 am

my cpu's are northwood's.
3.0 es and 3.0 30 cap.

JimX
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Post by JimX » Mon May 01, 2006 5:31 am

Mmmm, nice. Sell the ES??? :lol:

Seriously, the aluminum XP90 will be more than enough. I just got an SI-120 from a friend that I'll be testing in the next few days on my Northwood. I'll post results compared to my extremely quiet Nexus modded 7000AlCu.

mckennaiii
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Post by mckennaiii » Mon May 01, 2006 6:02 am

at present i'm usint the zalman 7000 alcu on two machines.
never a problem with them.

JimX
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Post by JimX » Mon May 01, 2006 6:04 am

Then why change HSF? If it's noisy, just do the Nexus mod.

mckennaiii
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Post by mckennaiii » Mon May 01, 2006 6:29 am

don't know how to do the nexus mod + the two zalman 7000's i use are 3+ years old so i was just going to replace them when i change out motherboards.

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Post by JimX » Mon May 01, 2006 6:44 am

Ralf Hutter wrote:
p5 wrote:Thanks but I had read that already.

I was interested in their methods of mounting this particular fan to the 7000.
I cut the entire case away from the fan hub and just left enough of two cross pieces so I could use that to mount the fan:
Image

I had nightmares about the fan falling off of the heatsink while it was running so I couldn't bring myself to tape or tie it into place. I drilled the hole pattern in the stubs so I could use some small sheetmetal screws to attach it to the Zalman mouning bracket. I then stuck some silicon washers onto the fan hub to decouple the fan from the metal bracket once I assembled it:
Image

I fastened the fan to the bracket useing some more silicon washers to decouple the screws fron the metal bracket:
Image

Fini:
Image

Another way is to use zip ties, like I did.

Image

mckennaiii
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Post by mckennaiii » Mon May 01, 2006 1:37 pm

that's pretty awesome.

mckennaiii
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Post by mckennaiii » Mon May 01, 2006 6:11 pm

i picked up a xp90c lapped.
what's the best 92mm fan for this cooler?

bobov
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Post by bobov » Mon May 01, 2006 8:14 pm

mckennaiii wrote:i picked up a xp90c lapped.
what's the best 92mm fan for this cooler?
Nexus 92mm fan.

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Post by jmke » Mon May 01, 2006 11:04 pm

I compared the XP-90 to the Hyper48 and they were very evenly matched, the XP-90C is a bit better than the XP-90, so the conclusion would not be very hard to make;)
http://www.madshrimps.be/?action=getart ... rticID=285

mckennaiii
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Post by mckennaiii » Tue May 02, 2006 3:48 am

will probably go with a panaflo 92mm or nexus 92mm.
also thought about using the zalman fan bracket i have and mount a 120mm fan just above the xp90c.

JimX
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Post by JimX » Tue May 02, 2006 3:58 am

Forget the Zalman bracket. The narrow spaces between the fins on the XP-90 only work with a fan attached on the HS.

A duct could work though.

mckennaiii
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Post by mckennaiii » Tue May 02, 2006 4:07 am

thankx for telling me that about the narrow fins.

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Post by BigA » Tue May 02, 2006 10:58 am

I am currently using the XP-90 to cool an overclocked AMD64-3000. For my system, I did precisely what mckennaiii has suggested and used a Zalman Fan Bracket to suspend a fan over the heat sink.

In my system, this solution has worked fine. Prior to installing the Zalman fan bracket, I put the fan bracket in a vice and slightly bent the fan bracket so that the fan is suspended around 1/16" above the heatsink. This solution has a couple advantages:
* The low clearance between the fan and the heatsink doesn't provide airflow with much ability to do anything besides passing through the fins on the heatsink.
* Hanging the fan at the end of the fan bracket reduces the overall weight of the heatsink.

While you might get lower temperatures with direct mounting, my guess from looking at my heatsink is that it wouldn't make much difference. If you try it both ways, please post your results to the list.
Last edited by BigA on Tue May 02, 2006 11:13 am, edited 1 time in total.

JimX
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Post by JimX » Tue May 02, 2006 11:10 am

I would also be very interested in comparative results.

mckennaiii
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Post by mckennaiii » Tue May 02, 2006 12:45 pm

Big A:

thankx for that reply in regards to the zalman fan bracket. i might sure enough give that a try.

i have the zalman fan bracket with a 120mm antec smartcool fan over top the ddr and chipset now for additional cooling. nice setup.

gasganet
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Post by gasganet » Wed May 03, 2006 3:21 am

I did some research before buying the Hyper 48 and it seemed to be similar to the XP-90.
I only went for the Hyper 48 because it already had a good fan and socket 775 mounting system.

About the weight, I really don’t know why people worry so much. I have moved recently and I’m always carrying the computer around the house to make some kind of changes and my motherboard is still intact. And I must say I am not the most careful person in the world.

JimX
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Post by JimX » Thu May 04, 2006 12:34 pm

Sooo mckennaiii, I have to say that you were right to get the XP-90C. I just tried the SI-120 and the results are amazing (to me at least)! :o

Room temperature was 23c, 2xCPUBurn for 30 minutes, tested at 12 Volts for reference using Speedfan. Noise was also approximately the same, to me. :wink:

Zalman 7000AlCu + Nexus 92mm @ 12V. 1400rpm: Idle 33c - Load 60c

SI-120 + Nexus 120mm @ 12V. 1000rpm pulling air: Idle 33c - Load 51c

SI-120 + Nexus 120mm @ 12V. 1000rpm pushing air: Idle 31c - Load 49

VRMs were below 60c with either cooler pushing, below 70c pulling.

And the AS5 hasn't even cured yet. I thought I'd see a 2-3c degree difference at load. :shock:

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